# SDR VNAA2026050417002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N587NN](https://openairdocs.org/aircraft/N587NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15390
- Aircraft time: 22,750 hours, 20,059 cycles
- Engine: Ge CF348C5
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Pin
- Part number: 4114T06P03
- Condition: Loose
- Location: Eng Fan
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2026050417002

## Discrepancy

RIGHT ENG VIBE BETWEEN 1.5-1.9 CONTINUOUSLY. RAN QRH PROCEEDURE 3 TIMES. WHEN WE DECREASED POWER VIBES INCREASED TO 1.9; IN CLIMB DETENT VIBES DECREASED.  REMOVED AND REPLACED RH ENGINE FAN BLADE PINS IAW CRJ 900 AMM 12-20-72-640-803-A01. PERFORMED VIBRATION RUN IAW GE LINE MAINTENANCE MANUAL SPECIAL PROCEDURES 097 FAN MAINTENANCE 004 - N1 VIBRATION WORKSCOPE TASK 72-21-00-800-806. RH FAN VIBES 0.0 AT IDLE AND PEAK VIBES 0.3. VIBES WITHIN LIMITS.

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